Monster or Beast?

After the barrier shattered, Sans started to display rather strange behaviors and physical changes. No one could understand why this had started to happen over the years, making Frisk worry for her friend, this goes on for years after the shattering of the barrier, then one day she finds out what had happened to him.

It seems, the problems of the Underground wasn't completely over, but now it takes place upon the surface. Will Frisk be able to confess her feelings for Sans after all these years or would his own problems and fears prevent anything from becoming romantic? Read to find out!